Home / 117,588.48-162,271.68-67,287.36

Finding the Fourth Proportional to 117,588.48, 162,271.68 and 67,287.36

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Solution

The fourth proportional to 117,588.48, 162,271.68 and 67,287.36 is: 92,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,588.48 : 162,271.68 = 67,287.36 : x
  2. Step 2: Convert to fraction form
    117,588.48/162,271.68 = 67,287.36/x
  3. Step 3: Cross multiply
    117,588.48x = 162,271.68 × 67,287.36
  4. Step 4: Simplify right side
    117,588.48x = 10,918,832,949.96
  5. Step 5: Solve for x
    x = 10,918,832,949.96/117,588.48
  6. Step 6: Final answer
    x = 92,856.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.